201266216352 has 72 divisors (see below), whose sum is σ = 590813758080. Its totient is φ = 64924583040.

The previous prime is 201266216351. The next prime is 201266216399. The reversal of 201266216352 is 253612662102.

201266216352 is a `hidden beast` number, since 2 + 0 + 1 + 26 + 621 + 6 + 3 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (201266216351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11262702 + ... + 11280557.

It is an arithmetic number, because the mean of its divisors is an integer number (8205746640).

Almost surely, 2^201266216352 is an apocalyptic number.

It is an amenable number.

201266216352 is an abundant number, since it is smaller than the sum of its proper divisors (389547541728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201266216352 is a wasteful number, since it uses less digits than its factorization.

201266216352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22543306 (or 22543295 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 201266216352 its reverse (253612662102), we get a palindrome (454878878454).

The spelling of 201266216352 in words is "two hundred one billion, two hundred sixty-six million, two hundred sixteen thousand, three hundred fifty-two".